Implement reordering with optimistic updates

package.json

@@ -13,6 +13,7 @@
     "@nuxt/fonts": "0.11.4",
     "@nuxt/icon": "2.1.0",
     "@nuxt/image": "1.11.0",
+    "@pinia/nuxt": "0.11.3",
     "@tailwindcss/vite": "^4.1.16",
     "@tanstack/vue-query": "^5.90.7",
     "@vee-validate/zod": "^4.15.1",
@@ -25,6 +26,7 @@
     "lucide-vue-next": "^0.548.0",
     "nuxt": "^4.2.0",
     "oidc-client-ts": "^3.3.0",
+    "pinia": "^3.0.4",
     "reka-ui": "^2.6.0",
     "shadcn-nuxt": "2.3.2",
     "tailwind-merge": "^3.3.1",